Return-path: Received: from out4-smtp.messagingengine.com ([66.111.4.28]:33657 "EHLO out4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1431404AbdDYSkt (ORCPT ); Tue, 25 Apr 2017 14:40:49 -0400 From: Mark Greer To: Samuel Ortiz Cc: linux-wireless@vger.kernel.org, linux-nfc@lists.01.org, devicetree@vger.kernel.org, Mark Greer Subject: [PATCH v4 4/9] NFC: trf7970a: Only check 'en2-rf-quirk' if EN2 is specified Date: Tue, 25 Apr 2017 11:40:31 -0700 Message-Id: <20170425184036.1212-5-mgreer@animalcreek.com> (sfid-20170425_204116_040305_19E6F75E) In-Reply-To: <20170425184036.1212-1-mgreer@animalcreek.com> References: <20170425184036.1212-1-mgreer@animalcreek.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: The quirk indicated by the 'en2-rf-quirk' device tree property is only relevant when there is a GPIO connected to the EN2 pin of the trf7970a. This means we should only check for 'en2-rf-quirk' when EN2 is specified in the 'ti,enable-gpios' property of the device tree. Signed-off-by: Mark Greer --- drivers/nfc/trf7970a.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 5d5a8b0e57d4..4655680b0e7b 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -2070,6 +2070,9 @@ static int trf7970a_probe(struct spi_device *spi) dev_err(trf->dev, "Can't request EN2 GPIO: %d\n", ret); return ret; } + + if (of_property_read_bool(np, "en2-rf-quirk")) + trf->quirks |= TRF7970A_QUIRK_EN2_MUST_STAY_LOW; } of_property_read_u32(np, "clock-frequency", &clk_freq); @@ -2081,9 +2084,6 @@ static int trf7970a_probe(struct spi_device *spi) return -EINVAL; } - if (of_property_read_bool(np, "en2-rf-quirk")) - trf->quirks |= TRF7970A_QUIRK_EN2_MUST_STAY_LOW; - ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL, trf7970a_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT, "trf7970a", trf); -- 2.12.0